After having my first 6g tank up for some time now, I love it! I enjoy watching my betta, frog, and snail doing their thing, and taking care of them is a lot easier than I thought!

I think I'm ready to set up a second a tank, so I can have more stocking options! I think my next tank will be a 20g long, or a 25g, depending on which will fit on my new stand. So, I want to ask for some advice!

Filter suggestions? I was thinking a sponge filter this time. Work with live plants?
Any type of hood that is better than others?
I want live plants (anacharis, anubias, moss) so light suggestions?

I'm really clueless on the subtleties of this hobby. There so much equipment out there I'm not sure what to do!